Home / 13,099.08-19,636.21-4,329.21

Finding the Fourth Proportional to 13,099.08, 19,636.21 and 4,329.21

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Solution

The fourth proportional to 13,099.08, 19,636.21 and 4,329.21 is: 6,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.08 : 19,636.21 = 4,329.21 : x
  2. Step 2: Convert to fraction form
    13,099.08/19,636.21 = 4,329.21/x
  3. Step 3: Cross multiply
    13,099.08x = 19,636.21 × 4,329.21
  4. Step 4: Simplify right side
    13,099.08x = 85,009,276.69
  5. Step 5: Solve for x
    x = 85,009,276.69/13,099.08
  6. Step 6: Final answer
    x = 6,489.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.